Here is the full list of all 308 Halls of Torment achievements. It takes around 40-50 hours to unlock all of the achievements on Windows.
[Shield Maiden] Survive 28 minutes without any defense buffs.
[Beast Huntress] Deal 1 000 000 frost damage in one run.
[Beast Huntress] Deal 5 000 000 ice damage in one run.
Kill 50 000 Scorched.
Deal 3 000 000 damage with Astronomer's Orbs.
[Shield Maiden] Wait for 180 seconds before you start moving. You must move in order to complete the quest.
Collect a total of 200 000 gold.
[Exterminator] Apply burn to 200 000 enemies.
Deal 1 000 000 damage with Flame Strike.
Deal 500 000 damage with Flame Strike.
Deal 10 000 damage with a single hit.
Crit enemies 500 000 times.
Reach an average of 10 critical hits per second with the main attack of the Sorceress.
Deal 3 000 000 damage with Kugelblitz.
[Archer] Wait for 180 seconds before you start moving. You must move in order to complete the quest.
Kill a total of 100 bosses.
[Archer] Walk 100 000 meters.
Deal 3 000 000 damage with Arcane Splinter.
Deal 3 000 000 damage with Ring Blades.
Kill a total of 150 elite enemies.
[Norseman] Collect 10 Power Ups in one run.
[Archer] Crit enemies 50 000 times within one run.
Deal 1 500 000 damage with Hailstorm.
Deal 3 000 000 damage with Frost Avalanche.
Deal 750 000 damage with Hailstorm.
Kill 50 000 Wraiths
Have Frost Avalanche fire/place projectiles or obstacles 10 000 times per minute.
Apply electrify 100 000 times.
Deal 3 000 000 damage with Transfixion.
[Cleric] Acquire the trait [Metabolism V] in a run.
[Shield Maiden] Defeat a Lord.
Deal 2 000 000 damage with Morning Star.
Deal 1 000 000 damage with Morning Star.
Kill a total of 10 lord.
Deal 1 500 000 damage with Grenades.
[Frozen Depths] Kill 7 500 enemies in one visit of the Frozen Depths.
Reach level 80.
Deal 1 500 000 damage with Lightning Strike.
Deal 10 000 000 projectile damage in one run.
Deal 4 000 000 projectile damage in one run.
Reach level 40.
Deal 1 000 000 projectile damage in one run.
Kill 10 000 Ghouls.
Kill 6 000 enemies in one visit of the Chambers of Dissonance.
Defeat the Village.
Defeat the Void Caller.
[Sorceress] Apply burn to 1 000 enemies in a single run.
Kill 50 000 enemies with effects.
Deal 3 000 000 damage with Arcane Rift.
Deal 1 500 000 damage with Spirit Warrior.
Deal 1 500 000 damage with Arcane Rift.
Deal 750 000 damage with Arcane Rift.
Deal 750 000 damage with Spirit Warrior.
Defeat the Lord of Discord.
[Norseman] Deal 5 000 000 physical damage in one run.
[Norseman] Reach level 60.
Survive the Chambers of Dissonance until there are only 4 minutes left.
[Norseman] Deal 2 000 000 phyiscal damage in one run.
Survive the Chambers of Dissonance until there are only 12 minutes left.
[Norseman] Reach level 30.
[Norseman] Hit 30 Enemies with a single Frost Nova.
Survive the Chambers of Dissonance until there are only 20 minutes left.
[Norseman] Deal 500 000 physical damage in one run.
[Frozen Depths] Defeat the Lord of Hate.
[Beast Huntress] Have your Dog deal 1 000 000 damage.
Deal 3 000 000 damage with Radiant Aura.
Level Up 2 000 times.
[Frozen Depths] Defeat the Elder Giant.
[Beast Huntress] Deal 2 000 000 ice damage in one run.
[Frozen Depths] Defeat the Twisted Construct.
[Beast Huntress] Reach level 60.
[Beast Huntress] Deal 500 000 ice damage in one run.
[Beast Huntress] Reach level 30.
[Frozen Depths] Survive the Frozen Depths until there are only 2 minutes left.
[Swordsman] Deal 3 000 000 damage in one run.
[Frozen Depths] Defeat the Basilisk.
[Frozen Depths] Kill 3 000 enemies in one visit of the Frozen Depths.
[Frozen Depths] Survive the Frozen Depths until there are only 10 minutes left.
[Frozen Depths] Survive the Frozen Depths until there are only 18 minutes left.
[Shield Maiden] Acquire the trait [Parry V] in a run.
[Shield Maiden] Deal 1 500 000 damage with the shield bash.
Deal 1 500 000 damage with Arcane Splinter.
Get Arcane Splinter to Level 3 to be able to select Ability Upgrades.
Deal 2 000 000 damage with Dragon's Breath.
Deal 1 500 000 damage with Ring Blades.
Kill 400 000 enemies in total.
Deal 1 000 000 damage with Dragon's Breath.
Deal 500 000 damage with Dragon's Breath.
Apply damage effects 500 000 times.
Recover 100 000 HP in total
[Frozen Depths] Kill 500 enemies in one visit of the Frozen Depths.
Defeat the Lord of Despair.
Deal 3 000 000 damage with Meteor Strike.
Deal 1 500 000 damage with Frost Avalanche.
[Exterminator] Kill 50 000 enemies.
[Exterminator] Walk 8 000 meters in one run.
[Exterminator] Apply burn to 50 000 enemies.
Deal 1 500 000 damage with Meteor Strike.
Deal 750 000 damage with Meteor Strike.
Deal 1 500 000 damage with Kugelblitz.
[Sorceress] Hit 1 000 Enemies for 500 or more damage in one run. (Main Attack)
[Sorceress] Deal 5 000 000 lightning damage in one run.
[Sorceress] Apply 20 stacks of electrify on a single enemy.
[Sorceress] Reach level 60.
[Sorceress] Block 90 attacks in one run.
Deal 750 000 damage with Kugelblitz.
[Sorceress] Deal 500 000 electrify damage in one run.
[Sorceress] Deal 2 000 000 lightning damage in one run.
[Sorceress] Reach level 30.
[Sorceress] Deal 500 000 lightning damage in one run.
[Sorceress] Increase your movement speed to 11m/s.
Deal 3 000 000 damage with Phantom Needles.
Play for 666 minutes.
Deal 1 500 000 damage with the Golem.
[Shield Maiden] Reach level 60.
Deal 750 000 damage with the Golem.
[Shield Maiden] Deal 300 000 damage with the shield bash.
[Shield Maiden] Get hit 500 times in a single run.
Reach level 30.
[Shield Maiden] Hit 15 Enemies with a single attack. Can't be done with the shield bash.
[Warlock] Do not get hit for 5 minutes.
[Warlock] Kill 5 000 Hellhounds in one exploration.
[Warlock] Deal 5 000 000 summon damage in one run.
[Warlock] Reach level 60.
[Warlock] Acquire the trait [Channeling V] in a run.
[Warlock] Deal 2 000 000 summon damage in one run.
[Warlock] Reach level 30.
[Warlock] Deal 500 000 summon damage in one run.
Kill 10 000 enemies in one visit of the Forgotten Viaduct.
Survive the Forgotten Viaduct until there are only 2 minutes left.
Defeat the Hydra.
Kill 5 000 enemies in one visit of the Forgotten Viaduct.
Survive the Forgotten Viaduct until there are only 10 minutes left.
Defeat the Frost Knight.
Enter Forgotten Viaduct and rescue the Cupbearer.
Survive the Forgotten Viaduct until there are only 18 minutes left.
Defeat the Wraith Horseman.
Kill 1 000 enemies in one visit of the Forgotten Viaduct.
Defeat the Lord of Regret.
[Cleric] Apply 10 stacks of Fragile on a single enemy at once.
Deal 1 500 000 damage with Radiant Aura.
Survive the Ember Grounds until there are only 2 minutes left.
Defeat the Wyrm Queen.
Kill 15 000 enemies in one visit of the Ember Grounds.
Survive the Ember Grounds until there are only 12 minutes left.
Kill 5 000 enemies in one visit of the Ember Grounds.
Purchase 10 items from the wellkeeper.
Kill 40 000 Hellhounds.
Deal 1 500 000 damage with Astronomer's Orbs.
Deal 750 000 damage with Ring Blades.
[Exterminator] Destroy 200 Objects.
[Exterminator] Reach level 60.
[Exterminator] Deal 3 000 000 fire damage in one run.
[Exterminator] Deal 1 000 000 fire damage in one run.
Deal 100 000 000 damage in total.
[Exterminator] Apply burn to 10 000 enemies.
Deal 750 000 damage with Lightning Strike.
Kill 40 000 Slimes.
Consume a total of 100 potions.
Kill a total of 50 elite enemies.
[Cleric] Reach Agony III on the Haunted Caverns.
[Cleric] Apply 50 000 debuffs in total.
Apply debuffs 50 000 times.
Apply damage effects 50 000 times.
Purchase an item from the Wellkeeper.
Defeat the Lord of Pain.
Kill a total of 1 lord.
Deal 750 000 damage with Arcane Splinter.
Deal 1 500 000 damage with Transfixion.
[Swordsman] Reach level 60.
Deal 750 000 damage with Transfixion.
Kill 25 000 enemies in one run.
[Archer] Crit enemies 20 000 times within one run.
Deal 1 500 000 damage with Phantom Needles.
[Archer] Reach level 60.
[Archer] Kill 20 000 enemies in one run.
Crit enemies 50 000 times.
Deal 750 000 damage with Phantom Needles.
[Archer] Acquire the trait [Quick Hands IV] in a run.
[Archer] Crit enemies 5 000 times within one run.
Play for 333 minutes.
[Cleric] Reach level 60.
[Cleric] Deal 500 000 burn damage in one run.
Deal 750 000 damage with Radiant Aura.
Survive 28 minutes with your original max health. (Don't use items, blessings or traits)
Kill 100 000 enemies in total.
Kill 40 000 Skeletons.
[Cleric] Deal 5 000 000 magic damage in one run.
Retrieve 1 item from the Halls of Torment.
Level Up 500 times.
[Cleric] Regenerate 1 500 HP in one run. Only passive regeneration is counted.
Get Lightning Strike to Level 3 to be able to select Ability Upgrades.
[Cleric] Reach level 30.
[Cleric] Deal 1 500 000 magic damage in one run.
[Cleric] Deal 500 000 magic damage in one run.
Deal 750 000 damage with Frost Avalanche.
Survive until there are only 10 minutes left.
Deal 750 000 damage with Astronomer's Orbs.
Kill 15 000 enemies in one run.
Defeat the Lich.
[Swordsman] Kill a total of 10 bosses.
[Swordsman] Acquire the trait [Strength IV] in a run.
[Swordsman] Hit 1 000 Enemies for 300 or more damage in one run. (Main Weapon)
[Swordsman] Deal 1 000 000 damage with the main weapon.
[Swordsman] Regenerate 2 000 HP in one run
Get Astronomer's Orbs to Level 3 to be able to select Ability Upgrades.
Enter the Halls of Torment 20 times and survive at least 5 minutes.
Defeat the Flamedancer.
Survive the Ember Grounds until there are only 22 minutes left.
[Exterminator] Deal 200 000 burn damage in one run.
Deal 10 000 000 damage in total.
[Exterminator] Reach level 30.
[Exterminator] Deal 300 000 fire damage in one run.
Kill 5 000 enemies in one run.
[Archer] Reach level 30.
Collect a total of 20 000 gold.
Kill a total of 10 bosses.
Rescue the Wellkeeper.
Defeat the Skeleton Lord.
[Swordsman] Get hit a total of 500 times over all attempts.
[Swordsman] Reach level 30.
Get Phantom Needles to Level 3 to be able to select Ability Upgrades.
Survive until there are only 14 minutes left.
[Swordsman] Walk 5 000 meters in one run.
[Swordsman] Deal 200 000 damage with the main weapon.
[Swordsman] Hit 20 Enemies with a single attack.
[Exterminator] Apply 50 or more burn effects at the same time.
Kill 1 000 enemies in one visit of the Ember Grounds.
Defeat the Imp Chieftain.
[Archer] Do not get hit for 3 minutes.
Consume a total of 10 potions.
[Archer] Enter the Halls of Torment 5 times.
Enter the Halls of Torment 5 times and survive at least 5 minutes.
[Archer] Increase your movement speed to 8m/s.
Collect a total of 300 gold.
Survive until there are only 26 minutes left.
Enter the Halls of Torment.
Kill 40 000 Imps.
Deal 3 000 000 damage with Lightning Strike.
Kill 50 000 Gargoyles
Survive 20 minutes without regenerating any health. Recovery from Potions or effects is allowed.
[Shield Maiden] Deal 3 000 000 damage with the shield bash.
[Shield Maiden] Crit enemies 2 000 enemies with your main attack in one run. Shield Bash doesn't count.
[Warlock] Take a total of 15 000 damage over all runs.
[Warlock] Survive 28 minutes without using your main weapon.
[Warlock] Survive 5 minutes with a maxmimum health of 250 or less.
Deal 3 000 000 damage with the Golem.
[Archer] Reach Agony III on the Haunted Caverns.
[Exterminator] Reach Agony III on the Ember Grounds.
[Shield Maiden] Reach Agony III on the Forgotten Viaduct.
[Sorceress] Reach Agony III on the Forgotten Viaduct.
[Swordsman] Reach Agony III on the Haunted Caverns.
[Warlock] Reach Agony III on the Ember Grounds.
Apply debuffs 500 000 times.
Purchase 40 items from the wellkeeper.
Deal 2 000 000 damage with Flame Strike.
Kill 10 000 Beasts.
Kill 10 000 creatures made of ice.
[Norseman] Kill 5 000 enemies with the Frost effect in a single run.
[Norseman] Hit Enemies 20 000 times with the axes. Must be done within one run.
[Norseman] Reach Agony III on the Frozen Depths.
Deal 3 000 000 damage with Spirit Warrior.
[Beast Huntress] Reach Agony III on the Frozen Depths.
Deal 3 000 000 damage with Hailstorm.
Deal 10 000 double crits or better with the Phantom Needles.
Hit Enemies 40 000 times with Astronomer's Orbs.
Apply 100 000 slow stacks in a single run.
Apply 150 000 effect stacks with Transfixion.
[Warlock] Have 20 Summons at the same active. *attack projectiles do not count
Have 300 Arcane Splinter active at the same time.
One hit kill 1 000 enemies that have 1 000 or more Health with a direct hit from Lightning Strike within one run.
Deal a 25 000 Damage or better hit on a single enemy with Radiant Aura without Fragile effect.
Trigger 10 000 times direct Burn damage with Dragon's Breath. This is done by applying burn on enemies with 20 burn stacks.
Deal 160 Crits with a single Meteor. Overcrits are getting counted.
Have all Ring Blades projectiles travel a distance of 804 672 meters within a single run.
Haave the Golem roll for a total duration of 20 minutes in a run.
Defeat the Twisted Knight.
Kill 12 000 enemies in one visit of the Chambers of Dissonance.
Kill 17 000 enemies in one visit of the Chambers of Dissonance.
Survive the Chambers of Dissonance in Agony mode until the lord appears.
Deal 3 500 000 damage with Grenades.
Deal 2 000 000 damage with items.
Deal 5 000 000 damage with items.
Reach Agony III in Chambers of Dissonance
Deal 5 000 000 damage with Morning Star.
Deal 5 000 000 direct damage with abilities.
Deal 15 000 000 direct damage with abilities.
Deal 50 000 000 direct damage with abilities.
Reach level 50.
Reach level 100.
Reach Agony IV in Chambers of Dissonance
Deal 10 000 000 damage with your main ability.
Deal 100 000 000 damage with your main ability.
Deal 2 000 000 damage with Spectral Fists.
Deal 5 000 000 damage with Spectral Fists.
Deal 10 000 000 damage with Spectral Fists.
Hit 500 enemies for 25 000 damage or more. Overkill damage counts.
Apply Frost 80 000 times with Hailstorm
Hit 40 enemies with a Morning Star for 100 times.
Deal 20 000 000 the dash or dash explosion of Spirit Warriors in one run.
Deal 100 000 damage with a single hit.
Kill 5 000 enemies at full life with a single hit of Arcane Rift.
Deal 1 000 times damage by applying the 20th+ electrify stack through Kugelblitz.
Kill 10 000 Carpas.
Kill 10 000 Constructs.
Kill 10 000 Homunculi.
[Norseman] Deal 10 000 000 frost damage in one run.